package com.itheima.service;

import com.itheima.domain.Customer;

import java.util.List;

/**
 * @version 1.0
 * @Author : wusiqi
 * @Date : 2019/3/7 20:48
 */
public interface CustomerService {
    List<Customer> findAll();

    Customer findById(String custId);

    void update(Customer customer);
}
